Stoplight AlternativesAPI Clients and other similar apps like Stoplight

Alternatives list

1. 

   

   Postman

    177 likes

   Postman is a collaborative platform for API development that provides extensive tools for designing, testing, and documenting APIs. It allows API verification through requests, automated testing via Collection Runner, and offers both free and paid plans, catering to individuals and teams.

   88 Postman alternatives

   Cost / License

   • Freemium (Subscription)
   • Proprietary

   Application types

   • API Client
   • HTTP Client

   Origin

   • United States

   Platforms

   • Mac
   • Windows
   • Linux
   • Online
   • Chrome OS
   • Google Chrome
   • Flathub
   • Flatpak
   • Snapcraft

   

   

   

   +3

   

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   Is Postman a good alternative to Stoplight?

    

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   Comments about Postman as an Alternative to Stoplight

    

   benni347

   Negative comment•Mar 5, 2025

   0

   Stoplight is server side postman clientside

   

   

   • Postman is the most popular Web-based, Windows, Mac & Linux alternative to Stoplight.

   • Postman is the most popular free alternative to Stoplight.

   • Postman is Freemium and ProprietaryStoplight is Freemium and Open Source
2. 

   

   Yaak

    18 likes

   The API client for modern developers. Call REST, GraphQL, and gRPC APIs from a simple and intuitive app.

   65 Yaak alternatives

   Cost / License

   • Free Personal
   • Open Source

   Application types

   • API Client
   • HTTP Client

   Origin

   • France
   • EU

   Platforms

   • Mac
   • Windows
   • Linux

   

   

   

   +1

   

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   • Yaak is the most popular Open Source alternative to Stoplight.

   • Yaak is Free Personal and Open SourceStoplight is Freemium and Open Source
   • Yaak is Lightweight and Privacy focusedStoplight is not according to our users
4. 

   

   Fiddler

    206 likes

   Web Debugging Proxy that logs all HTTP(S) traffic for comprehensive analysis. It allows manipulation of traffic, supports scripting, and extends with .NET. Debugs virtually any application, implementing man-in-the-middle interception with self-signed certificates. Freeware, ideal for developers.

   49 Fiddler alternatives

   Cost / License

   • Freemium (Subscription)
   • Proprietary

   Application types

   • HTTP(S) Debugger
   • Web Debugger

   Origin

   • United States

   Platforms

   • Windows

   

   More about Fiddler  

   

   Is Fiddler a good alternative to Stoplight?

    
5. 

   

   RapidAPI for Mac

    60 likes

   RapidAPI for Mac (formerly Paw) is a full-featured HTTP client that lets you test and describe the APIs you build or consume. It has a beautiful native macOS interface to compose requests, inspect server responses, generate client code and export API definitions.

   57 RapidAPI for Mac alternatives

   Cost / License

   • Freemium (Pay once)
   • Proprietary

   Application types

   • API Client
   • HTTP Client

   Origin

   • United States

   Platforms

   • Mac

   

   

   

   +2

   

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6. 

   

   soapUI

    59 likes

   Eviware, the maker of soapUI, Web Service Testing Leader

   soapUI is a tool for functional testing, mainly of web services like SOAP based web services and RESTful web services, but also HTTP based services and JMS Services as well as databases. soapUI is an open source and compl.

   79 soapUI alternatives

   Cost / License

   • Free
   • Open Source

   Application types

   • API Client
   • HTTP Client

   Origin

   • United States

   Platforms

   • Mac
   • Windows
   • Linux

   

   

   

   +1

   

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7. 

   

   Proxyman

    14 likes

   Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains. Available on macOS, iOS, Windows & Linux.

   54 Proxyman alternatives

   Cost / License

   • Pay once
   • Proprietary

   Application types

   • HTTP(S) Debugger
   • HTTP Client

   Origin

   • United States

   Platforms

   • Mac
   • Windows
   • Linux
   • iPhone

   

   

   

   +2

   

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   • Proxyman is the most popular iPhone alternative to Stoplight.

   • Proxyman is the most popular commercial alternative to Stoplight.

   • Proxyman is Paid and ProprietaryStoplight is Freemium and Open Source
9. 

   

   RecipeUI

    5 likes

   RecipeUI is rethinking how we use API tools like Postman or Insomnia. We're starting off with TypeScript powered API requests and API collections you can run in seconds!

   Cost / License

   • Free
   • Open Source

   Application type

   • API Client

   Alerts

   • Discontinued

   Platforms

   • Linux
   • Mac
   • Windows

   

   More about RecipeUI  

   

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10. 

    

    Advanced REST Client

     27 likes

    API testing tool. Which allows web developers to create and test custom HTTP requests.

    Cost / License

    • Free
    • Open Source

    Application types

    • API Client
    • HTTP Client

    Origin

    • Poland
    • EU

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Chrome OS
    • AppImageHub
    • Google Chrome
    • Chromium

    

    

    

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11. 

    

    Kusho

     3 likes

    Never test your APIs manually again.

    Cost / License

    • Free
    • Proprietary

    Origin

    • United States

    Platforms

    • Visual Studio Code
    • Mac
    • Windows
    • Linux

    

    

    

    +2

    

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12. 

    

    API Astrolab

     1 like

    The API Astrolab enables today’s API-first companies to show their API products in a visual way so that anyone can understand how they work.

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application types

    • Workflow Automation Tool
    • Team Collaboration Tool

    Origin

    • United States

    Platforms

    • Online
    • Software as a Service (SaaS)

    

    

    

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    • API Astrolab is the most popular SaaS alternative to Stoplight.

    • API Astrolab is Freemium and ProprietaryStoplight is Freemium and Open Source
13. 

    

    HttpMaster

     9 likes

    Practical and easy-to-use software tool for testing HTTP applications and services.

    Cost / License

    • Free
    • Proprietary

    Application types

    • HTTP Client
    • API Client

    Platforms

    • Windows

    

    

    

    +7

    

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14. 

    

    ArdorQuery

     1 like

    ArdorQuery is a cross-platform tool for performing any HTTP(S) endpoints like REST API, HTML, Images, GraphQL, OData etc.

    56 ArdorQuery alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    • API Client
    • HTTP Client

    Platforms

    • Mac
    • Linux
    • Flathub

    

    More about ArdorQuery  

    

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